Home / 472,393,042.80-708,589,564.20-395,865,538.80

Finding the Fourth Proportional to 472,393,042.80, 708,589,564.20 and 395,865,538.80

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Solution

The fourth proportional to 472,393,042.80, 708,589,564.20 and 395,865,538.80 is: 593,798,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,042.80 : 708,589,564.20 = 395,865,538.80 : x
  2. Step 2: Convert to fraction form
    472,393,042.80/708,589,564.20 = 395,865,538.80/x
  3. Step 3: Cross multiply
    472,393,042.80x = 708,589,564.20 × 395,865,538.80
  4. Step 4: Simplify right side
    472,393,042.80x = 280,506,189,620,090,208
  5. Step 5: Solve for x
    x = 280,506,189,620,090,208/472,393,042.80
  6. Step 6: Final answer
    x = 593,798,308.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.